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Translated from Matematicheskie Zametki, Vol. 56, No. 1, p. 153, July, 1994.
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Domrin, A.V. Letters to the editor. Math Notes 56, 759 (1994). https://doi.org/10.1007/BF02110570
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DOI: https://doi.org/10.1007/BF02110570